- Reverse an Array
- Maximum and Minimum Of Array Elements
- Sum of Array
- Number of factors
- Sum of Series
- Print Elements of Array
- Sum of Digit is Pallindrome or not
- Remove Spaces
- Swap kth elements
- Second Largest
- Average
- Binary representation
- Check if an array is sorted
- Find the median
- Multiply Array
- At least two greater elements
- Compete the skills
- Print the left element
- Distance between 2 points
- Sum of elements in a matrix
- Reversing the vowels
- Sum Palindrome
- Display longest name
- Reverse a String
- GCD of two numbers
- Largest Element in Array
- Java Hello World
- Java Arrays | Set 1
- Count of smaller elements
- Find Index
- Java Basic Data Types
- Java Operators(Relational) | Set - 2
- Palindromic Array
- Multiply Matrices
- Print alternate elements of an array
- Java Inheritance

Name

CyberWarrior

Institution

Rank in Institute

#1

Courses Attended

Overall Coding Score: 1226

Monthly Coding Score: 103

Weekly Coding Score: 49

- Factorial
- LCM And GCD
- Searching a number
- Sort The Array
- Nth Fibonacci Number
- Majority Element
- Shortest path from 1 to n
- Count possible triangles
- Rotate Array
- Missing number in array
- Greater on right side
- Immediate Smaller Element
- Binary Array Sorting
- Intersection of two arrays
- Union of two arrays
- Number of occurrence
- k largest elements
- Middle of Three
- Generate Binary Numbers
- Find the Odd Occurence
- Rotating an Array
- Help the Old Man!!!
- Searching an element in a sorted array
- Total count
- Sum of primes
- Rotate by 90 degree
- Rearranging array
- Professor and Parties
- Pairs with given XOR
- Make a Distinct Digit Array
- Reverse each word in a given string
- Demonitisation
- Encrypt the string - 1
- Ladoo problem
- Sum of dependencies in a graph
- Check if two arrays are equal or not
- Sherlock a Detective
- Unique Numbers
- Substrings with similar first and last characters
- Find first repeated character
- Fake Profile
- Cyclically rotate an array by one
- First element to occur k times
- Uncommon characters
- Find the smallest and second smallest element in an array
- Find minimum and maximum element in an array
- Find second largest element
- Pair array product sum
- Equivalent Sub-Arrays
- Count pair sum
- First Come First Serve
- K-th distinct element
- Check if a string is Isogram or not
- Check Arithmetic Progression
- Alternative Sorting
- Quick Left Rotation
- Print first n Fibonacci Numbers
- Minimum Distinct Ids
- Anagram Palindrome
- Smallest number repeating K times
- String Subsequence Game
- Rearrange the array
- Count the characters
- Repeated Character
- Sort String
- Difference between highest and lowest occurrence
- Find unique element
- Minimum Product of k Integers
- Sort the string in descending order
- Count number of elements between two given elements in array
- Distinct Elements in a Stream
- Maximum triplet sum in array
- Print K smallest elements in their original order
- Tiger Zinda Hai
- Product of maximum in first array and minimum in second
- Sum of f(a[i], a[j]) over all pairs in an array of n integers
- Multiply left and right array sum.
- Height of Heap
- The Spider Steps
- Java Iterator
- Print Linked List elements
- Count nodes of linked list
- Node at a given index in linked list
- Delete node in Doubly Linked List
- Size of Binary Tree
- Inorder Traversal
- Bubble Sort
- Count Leaves in Binary Tree
- Selection Sort
- Height of Binary Tree
- Finding middle element in a linked list
- Circular Linked List
- Postorder Traversal
- Implement Stack using Linked List
- Implement stack using array
- Implement Queue using Linked List
- Implement Queue using array
- Doubly linked list Insertion
- Preorder Traversal
- Middle Pattern
- Find triplets with zero sum
- Operating an array
- Linked List Insertion
- Play with an array
- Minimum element in BST
- Circular Linked List Traversal
- Linked List Length Even or Odd?
- Delete Alternate Nodes
- Identical Linked Lists
- Queue Reversal
- Sum of Binary Tree
- Pairwise Consecutive Elements
- Count Non-Leaf Nodes in Tree
- Stack designer
- Check if a string is Isogram or not

- Frequencies of Limited Range Array Elements
- Anagram
- Wave Array
- Rotation
- Search in a Rotated Array
- Non Repeating Character
- Minimum number of Coins
- First Repeating Element
- Move all zeroes to end of array
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Two numbers with sum closest to zero
- Finding Number
- Segregate even and odd nodes in a Linked List
- Count distinct pairs with difference k
- Remove Duplicates
- Maximum sum increasing subsequence
- Array to BST
- Sum of two numbers represented as arrays
- Key Pair
- Length Unsorted Subarray
- Lucky Number
- Subarray with given sum
- Leaders in an array
- Count number of hops
- Count pairs with given sum
- Inorder Traversal and BST
- Triplet Sum in Array
- Two Repeated Elements
- Minimum element in a sorted and rotated array
- Cross character
- Count the Zeros
- 0 - 1 Knapsack Problem
- Valid Substring
- Game of Death in a circle
- Equilibrium point
- Floor in a Sorted Array
- Min sum formed by digits
- Move all negative elements to end
- Help Nobita
- Binary Tree K level sum
- Flood fill Algorithm
- Longest K unique characters substring
- Love For The Twins
- Recamanâ€™s sequence
- Find all pairs with a given sum
- Check if frequencies can be equal
- Shortest distance in infinite tree
- Rahul and his Villa
- Find the string in grid
- Largest Fibonacci Subsequence
- Longest Palindromic Subsequence
- Fractional Knapsack
- Evaluation of Postfix Expression
- Common elements
- Rod Cutting
- Array Subset of another array
- Subarray with 0 sum
- Subarrays with given sum
- Group Anagrams Together
- Sum equals to Sum
- Count the elements
- Count all possible paths from top left to bottom right
- Find pairs with given relation
- Find distinct elements
- Sum of length
- Sort by Absolute Difference
- BBT counter
- Primes sum
- Swapping pairs make sum equal
- Minimum indexed character
- Stickler Thief
- Find the most frequent digit
- Maximum possible sum
- K-Ary Tree
- Adding Array Elements
- Completing tasks
- Numbers containing 1, 2 and 3
- Ana and Sweets
- Incomplete Array
- Sum Indexes
- GeeksforGeeks New System
- Maximum number of characters between any two same character
- Cumulative frequency of count of each element in an unsorted array
- Count of substrings containing K ones
- Morning Assembly
- Non-Repeating Element
- Smallest subarray with all occurrences of a most frequent element
- Maximum distinct elements after removing K elements
- Reorganize The Array
- Check if array contains contiguous integers with duplicates allowed
- Rearrange an array such that arr[i] = i
- Winner of an election
- Ease the Array
- Numbers with prime frequencies greater than or equal to k
- Count pairs Sum in matrices
- Print Binary Tree levels in sorted order
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Longest substring with equal number of 0s and 1s
- Print Bracket Number
- Smallest greater elements in whole array
- Eulerian Path in an Undirected Graph
- Print adjacency list
- Reverse a linked list
- Occurence of an integer in a Linked List
- Delete N nodes after M nodes of a linked list
- Rotate a Linked List
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Rearrange a linked list
- Add 1 to a number represented as linked list
- linked list of strings forms a palindrome
- Compare two linked lists
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Sorted insert for circular linked list
- Split a Circular Linked List into two halves
- Reverse a Doubly Linked List
- Insertion Sort
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Heap Sort
- Nth node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Merge two sorted linked lists
- Sum Tree
- Decimal Equivalent of Binary Linked List
- Transform to Sum Tree
- Intersection of two sorted Linked lists
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- Stack using two queues
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Reverse alternate levels of a perfect binary tree
- Insert a node in a BST
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Root to leaf path sum
- Print all nodes that don't have sibling
- Postorder traversal from given Inorder and Preorder traversals
- Absolute List Sorting
- Lowest Common Ancestor in a BST
- Implement two stacks in an array
- Binary Heap Operations
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Print BST elements in given range
- Largest subarray with 0 sum
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- Max sum in the configuration
- Leaf at same level
- Is Binary Tree Heap
- Match specific pattern
- Expression Tree
- Check if Linked List is Palindrome
- Max distance between same elements
- Longest Consecutive Subsequence
- Repetition of k length substring
- Check whether BST contains Dead End
- Delete a Node in Single Linked List
- Kth largest element in BST
- Count distinct elements in every window
- Check if two strings are k-anagrams or not
- Max Level Sum in Binary Tree
- Special Stack
- Root to leaf paths sum
- Sort a stack
- Longest consecutive sequence in Binary tree
- Print Common Nodes in BST
- Level order traversal
- Peak element
- Delete nodes greater than k
- Merge Sort for Linked List
- Convert Ternary Expression to Binary Tree
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Disjoint set (Union-Find)
- Insert in a Sorted List
- Split Singly Linked List Alternatingly
- Ancestors in Binary Tree
- Level of a Node in Binary Tree
- Root to Leaf Paths
- Maximum path sum
- Max and min element in Binary Tree
- Perfect Binary Tree
- Reverse a string using Stack
- Linked List that is Sorted Alternatingly
- XOR of a given range
- Full binary tree
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Huffman Decoding-1
- Vertical sum
- Next Right Node
- Check if Tree is Isomorphic
- Depth of node
- Predecessor and Successor
- Maximum Node Level
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Reverse First K elements of Queue
- Remove Half Nodes
- Height of Spiral Tree
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Deletion in a Binary Tree
- Nodes at Odd Levels
- Closest Neighbor in BST
- Sum of the Longest Bloodline of a Tree
- Exchange the Leaf Nodes
- Kth Ancestor in a Tree
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Sum of Leaf Nodes at Min Level
- Tilt of Binary Tree
- Delete middle element of a stack
- Vertical Width of a Binary Tree
- Stack Operations
- Get min at pop
- Mother Vertex
- Print adjacency list
- Subarray with 0 sum
- Winner of an election
- Subarray range with given sum
- Smallest window in a string containing all the characters of another string
- Minimum indexed character
- Minimum indexed character

- Coin Change
- Kadane's Algorithm
- Overlapping Intervals
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Count ways to N'th Stair(Order does not matter)
- Egg Dropping Puzzle
- Edit Distance
- Maximum Rectangular Area in a Histogram
- Path in Matrix
- Subset Sum Problem
- Find Prime numbers in a range
- Largest Number formed from an Array
- Rearrange Array Alternately
- Relative Sorting
- Maximum of all subarrays of size k
- Row with max 1s
- Sorting Elements of an Array by Frequency
- Nuts and Bolts Problem
- Minimum Cost of ropes
- Inversion of array
- Preorder to Postorder
- Smallest number on left
- Longest consecutive subsequence
- Stock span problem
- M-Coloring Problem
- Preorder Traversal and BST
- Satisfy the equation
- Your Social Network
- Next larger element
- X Total Shapes
- Kth smallest element
- Longest Common Substring
- Rotate and delete
- Negative weight cycle
- Snake and Ladder Problem
- Shortest Source to Destination Path
- Trie | (Insert and Search)
- Replace O's with X's
- Knight Walk
- Find all four sum numbers
- Distance of nearest cell having 1
- Find whether path exist
- Check Mirror in N-ary tree
- Unit Area of largest region of 1's
- Rearrange characters
- First non-repeating character in a stream
- K
^{th}largest element in a stream - Zero Sum Subarrays
- Smallest window in a string containing all the characters of another string
- Smallest distinct window
- Floyd Warshall
- Huffman Encoding
- Nearly Sorted Algorithm
- Infix to Postfix
- Array Pair Sum Divisibility Problem
- Job Sequencing Problem
- Rotten Oranges
- Steps by Knight
- Median In a Row-Wise sorted Matrix
- In First But Second
- Mail System Design
- Matrix Chain Multiplication
- Pairs of Non Coinciding Points
- Longest subarray with sum divisible by K
- Subarrays with equal 1s and 0s
- Longest Sub-Array with Sum K
- The Fibonacci-prime number
- Minimum swaps and K together
- Smaller on Left
- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Quick Sort on Linked List
- Count BST nodes that lie in a given range
- Check for BST
- Tree from Postorder and Inorder
- Bottom View of Binary Tree
- Intersection Point in Y Shapped Linked Lists
- Add all greater values to every node in a BST
- Construct Binary Tree from Parent Array
- Connect Nodes at Same Level
- Clone a linked list with next and random pointer
- Flattening a Linked List
- Diagonal Traversal of Binary Tree
- Boundary Traversal of binary tree
- Delete a node from BST
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- Min distance between two given nodes of a Binary Tree
- Maximum difference between node and its ancestor
- Range Minimum Query
- The Celebrity Problem
- Topological sort
- Print a Binary Tree in Vertical Order
- Find the number of islands
- Serialize and Deserialize a Binary Tree
- Circular tour
- Make Binary Tree From Linked List
- Check if subtree
- Extreme nodes in alternate order
- Clone a Binary Tree
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Minimum Spanning Tree
- LRU Cache
- Multiply two strings
- Strongly Connected Components (Kosaraju's Algo)
- Bipartite Graph
- Number of root to leaf paths
- Find the Closest Element in BST
- Delete keys in a Linked list
- Merge two BST 's
- Trie | (Delete)
- Print Nodes having K leaves
- Top View of Binary Tree
- Smallest range in K lists
- k-th smallest element in BST
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Populate Inorder Successor for all nodes
- Construct expression tree
- K-Sum Paths
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct tree from Inorder and LevelOrder
- Node at distance
- Mirror of a given node
- Maximum path sum from any node
- Leaves to DLL
- Largest Independent Set Problem
- Right Sibling in Binary Tree
- Duplicate Subtrees
- Construct Tree from Preorder Traversal
- Construct a Full Binary Tree
- Convert Level Order Traversal to BST
- Count Number of SubTrees having given Sum
- Swap Kth nodes from ends
- Maximum sum of Non-adjacent nodes
- Unit Area of largest region of 1's
- Subarrays with equal 1s and 0s
- Sorting Elements of an Array by Frequency
- Longest consecutive subsequence

- Minimum sum partition
- Merge Without Extra Space
- Return two prime numbers
- A Simple Fraction
- Longest valid Parentheses
- Minimum Cost Path
- N-Queen Problem
- Solve the Sudoku
- Find median in a stream
- Phone directory
- QuickSort on Doubly Linked List
- Reorder List
- Binary Tree to DLL
- AVL Tree Insertion
- AVL Tree Deletion
- Nodes at given distance in binary tree
- Number of Turns in Binary Tree